package cn.com.anypay.manager.payment.channel.channeltest2.products;

import cn.com.anypay.manager.payment.core.AbstractPaymentProductTemplate;
import cn.com.anypay.manager.payment.core.PaymentProductException;
import cn.com.anypay.manager.payment.dto.*;

import java.math.BigDecimal;
import java.util.Date;
import java.util.UUID;

/**
 * ChannelTest2 WEB支付产品策略
 *
 * 实现WEB网页支付产品的具体逻辑
 * 使用策略模式，作为WEB支付的具体策略实现
 *
 * @author AnyPay Team
 * @version 1.0
 * @since 2025-07-05
 */
public class WebPaymentProductStrategy extends AbstractPaymentProductTemplate {

    private static final String PRODUCT_TYPE = "WEB";
    private static final String PRODUCT_NAME = "WEB网页支付";
    private static final String CHANNEL_ID = "channeltest2";

    public WebPaymentProductStrategy() {
        super();
        // 创建默认配置
        this.productConfig = new ProductConfigDTO(PRODUCT_TYPE, PRODUCT_NAME, CHANNEL_ID, true);
        this.productConfig.setDescription("WEB网页支付产品，适用于PC端网页支付");
        this.productConfig.setConfigVersion("1.0.0");
    }

    public WebPaymentProductStrategy(ProductConfigDTO productConfig) {
        super(productConfig);
    }

    @Override
    public String getProductType() {
        return PRODUCT_TYPE;
    }

    @Override
    public String getProductName() {
        return PRODUCT_NAME;
    }

    @Override
    protected void doInitialize() throws PaymentProductException {
        logger.debug("=== ChannelTest2 WEB支付产品初始化 ===");
        logger.debug("产品类型: {}", PRODUCT_TYPE);
        logger.debug("产品名称: {}", PRODUCT_NAME);
        logger.debug("渠道ID: {}", CHANNEL_ID);

        // 模拟初始化配置验证
        try {
            Thread.sleep(130); // 模拟初始化耗时
            logger.debug("WEB支付产品初始化成功");
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new PaymentProductException("INIT_ERROR", "Initialization interrupted", CHANNEL_ID, PRODUCT_TYPE);
        }
    }

    @Override
    protected void doDestroy() {
        logger.debug("=== ChannelTest2 WEB支付产品销毁 ===");
        logger.debug("清理资源完成");
    }

    @Override
    protected PaymentResultDTO doCreatePayment(PaymentRequestDTO request) throws PaymentProductException {
        logger.info("=== ChannelTest2 WEB支付创建 ===");
        logger.info("商户订单号: {}", request.getMerchantOrderId());
        logger.info("支付金额: {}", request.getAmount());
        logger.info("商品描述: {}", request.getSubject());
        logger.info("返回URL: {}", request.getReturnUrl());

        // 验证WEB特有参数
        if (request.getReturnUrl() == null || request.getReturnUrl().trim().isEmpty()) {
            throw new PaymentProductException("INVALID_REQUEST",
                "WEB支付需要返回URL", request.getChannelId(), PRODUCT_TYPE);
        }

        // 模拟WEB支付创建逻辑（更复杂的处理）
        try {
            Thread.sleep(190); // 模拟网络请求耗时
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new PaymentProductException("CREATE_PAYMENT_ERROR",
                "Payment creation interrupted", request.getChannelId(), PRODUCT_TYPE);
        }

        // 生成渠道订单号
        String channelOrderId = "WEB_" + UUID.randomUUID().toString().replace("-", "");

        // 创建支付结果
        PaymentResultDTO result = PaymentResultDTO.success(request.getMerchantOrderId(), channelOrderId);
        result.setAmount(request.getAmount());
        result.setStatus(PaymentStatusDTO.PENDING);
        result.setCreateTime(new Date());

        // 生成WEB支付链接
        String webPayUrl = generateWebPayUrl(channelOrderId, request.getReturnUrl());
        result.setPayUrl(webPayUrl);
        result.setRawData("{\"web_url\":\"" + webPayUrl + "\",\"prepay_id\":\"" + channelOrderId + "\"}");

        // 模拟支付状态（88%成功率）
        double random = Math.random();
        if (random < 0.88) {
            result.setStatus(PaymentStatusDTO.SUCCESS);
            result.setPayTime(new Date());
            logger.debug("支付状态: 成功");
        } else {
            result.setStatus(PaymentStatusDTO.FAILED);
            result.setErrorCode("PAYMENT_FAILED");
            result.setErrorMessage("模拟支付失败");
            logger.debug("支付状态: 失败");
        }

        logger.debug("WEB支付创建完成，渠道订单号: {}", channelOrderId);
        return result;
    }

    @Override
    protected QueryResultDTO doQueryPayment(QueryRequestDTO request) throws PaymentProductException {
        logger.debug("=== ChannelTest2 WEB支付查询 ===");
        logger.debug("商户订单号: {}", request.getMerchantOrderId());
        logger.debug("渠道订单号: {}", request.getChannelOrderId());

        // 模拟查询逻辑
        try {
            Thread.sleep(160); // 模拟网络请求耗时
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new PaymentProductException("QUERY_PAYMENT_ERROR",
                "Payment query interrupted", request.getChannelId(), PRODUCT_TYPE);
        }

        QueryResultDTO result = QueryResultDTO.success();
        result.setMerchantOrderId(request.getMerchantOrderId());
        result.setChannelOrderId(request.getChannelOrderId());
        result.setStatus(PaymentStatusDTO.SUCCESS);
        result.setAmount(new BigDecimal("100.00"));
        result.setPaidAmount(new BigDecimal("100.00"));
        result.setCurrency("CNY");
        result.setPayTime(new Date());
        result.setCreateTime(new Date());

        logger.debug("WEB支付查询完成，状态: {}", result.getStatus());
        return result;
    }

    @Override
    protected boolean doClosePayment(String orderId) throws PaymentProductException {
        logger.info("=== ChannelTest2 WEB支付关闭 ===");
        logger.debug("订单号: {}", orderId);

        // 模拟关闭逻辑
        try {
            Thread.sleep(110); // 模拟网络请求耗时
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new PaymentProductException("CLOSE_PAYMENT_ERROR",
                "Payment close interrupted", null, PRODUCT_TYPE);
        }

        // 模拟关闭结果（97%成功率）
        boolean success = Math.random() < 0.97;
        logger.debug("WEB支付关闭{}", success ? "成功" : "失败");
        return success;
    }

    @Override
    protected boolean doVerifyCallback(String callbackData) throws PaymentProductException {
        logger.info("=== ChannelTest2 WEB回调验证 ===");
        logger.debug("回调数据长度: {}", callbackData.length());

        // 模拟签名验证逻辑（更严格的验证）
        if (callbackData.contains("sign=") &&
            callbackData.contains("WEB_") &&
            callbackData.contains("channeltest2")) {
            logger.debug("WEB回调验证成功");
            return true;
        } else {
            logger.warn("WEB回调验证失败: 缺少必要的验证信息");
            return false;
        }
    }

    @Override
    protected PaymentResultDTO doProcessCallback(String callbackData) throws PaymentProductException {
        logger.debug("=== ChannelTest2 WEB回调处理 ===");

        // 解析回调数据（简化实现）
        PaymentResultDTO result = new PaymentResultDTO();
        result.setSuccess(true);
        result.setMerchantOrderId("CALLBACK_ORDER_" + System.currentTimeMillis());
        result.setChannelOrderId("WEB_" + UUID.randomUUID().toString().replace("-", ""));
        result.setStatus(PaymentStatusDTO.SUCCESS);
        result.setAmount(new BigDecimal("100.00"));
        result.setPayTime(new Date());
        result.setRawData(callbackData);

        logger.debug("WEB回调处理完成");
        return result;
    }

    @Override
    protected boolean doValidateConfig(ProductConfigDTO config) {
        if (config == null) {
            return false;
        }

        // 验证基本配置
        if (!PRODUCT_TYPE.equals(config.getProductType())) {
            logger.error("产品类型不匹配: expected={}, actual={}", PRODUCT_TYPE, config.getProductType());
            return false;
        }

        if (!CHANNEL_ID.equals(config.getChannelId())) {
            logger.error("渠道ID不匹配: expected={}, actual={}", CHANNEL_ID, config.getChannelId());
            return false;
        }

        logger.debug("WEB产品配置验证通过");
        return true;
    }

    @Override
    public String[] getSupportedFeatures() {
        return new String[]{
            "支付",
            "查询",
            "关闭",
            "退款",
            "回调处理",
            "网页跳转",
            "表单提交"
        };
    }

    @Override
    public String getConfigTemplate() {
        return "{\n" +
               "  \"productType\": \"WEB\",\n" +
               "  \"productName\": \"WEB网页支付\",\n" +
               "  \"channelId\": \"channeltest2\",\n" +
               "  \"enabled\": true,\n" +
               "  \"productParams\": {\n" +
               "    \"appId\": \"wx1234567890\",\n" +
               "    \"mchId\": \"1234567890\",\n" +
               "    \"apiKey\": \"your_api_key\",\n" +
               "    \"notifyUrl\": \"https://your-domain.com/notify\",\n" +
               "    \"webDomain\": \"https://your-domain.com\",\n" +
               "    \"allowDomain\": \"https://your-domain.com\"\n" +
               "  }\n" +
               "}";
    }

    /**
     * 生成WEB支付链接
     */
    private String generateWebPayUrl(String channelOrderId, String returnUrl) {
        String baseUrl = "https://payment.test.com/webpay";
        String params = "?order_id=" + channelOrderId +
                       "&return_url=" + returnUrl +
                       "&timestamp=" + System.currentTimeMillis();
        return baseUrl + params;
    }

    /**
     * 预处理：验证WEB特有参数
     */
    @Override
    protected void preProcessPayment(PaymentRequestDTO request) {
        logger.info("WEB支付预处理: 验证WEB环境参数");

        // 验证返回URL
        if (request.getReturnUrl() != null) {
            logger.debug("返回URL: {}", request.getReturnUrl());
        }

        // 验证用户IP
        if (request.getUserIp() != null) {
            logger.debug("用户IP: {}", request.getUserIp());
        }

        logger.debug("WEB支付环境验证完成");
    }

    /**
     * 后处理：记录WEB支付特有信息
     */
    @Override
    protected void postProcessPayment(PaymentRequestDTO request, PaymentResultDTO result) {
        logger.info("WEB支付后处理: 记录支付信息");

        // 可以在这里添加支付后的处理逻辑，如记录访问日志等
        if (result.isSuccess()) {
            logger.debug("WEB支付创建成功，支付链接: {}",
                result.getPayUrl() != null ? result.getPayUrl().substring(0, Math.min(50, result.getPayUrl().length())) + "..." : "N/A");
        }
    }
}